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  1. #1
    mac_man_luke's Avatar
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    Setting slip on rebuilt charger for ET137+4

    Hello all

    Rebuilt my supercharger today and installing an ET137+4mm

    ET calls for 15ft/lb slip (180in/lb)

    Fresh rebuild with seadoo spring washers = 110in/lb
    Swapped to a set of mcmaster washers = 125in/lb
    added 1 shim = 150in/lb
    added 2nd shim = 230in/lb / basically locked up!
    2 seadoo washers/3mcmaster + 2 shims = 150in/lb!

    Any suggestions for getting in between and closer to where i want? guess next try ill go 2 shims + 1 seadoo washer
    I remember something about changing the order of the washers but cant remember acceptable configurations

    I installed as )()()

    thanks!


  2. #2
    mac_man_luke's Avatar
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    1 seadoo washer dropped it to 150ish as well

    Ended up going back to all mcmaster + 2 shims, was pretty close to 200 the second time around and spun it a heap of times.
    Now getting pretty consistent readings of 190in/lb (15.8ft/lb)
    Should be about perfect once broken in.

  3. #3
    mac_man_luke's Avatar
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    Nup no good!!!
    Tried again about half hour later and it was locked up, still cant get a combo thats about 150 but not locked up.

    Any suggestions?

  4. #4
    ptscon's Avatar
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    Try )))()

  5. #5
    mac_man_luke's Avatar
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    will do, also going to try )(())

    If no luck i might have to try sanding a shim down a bit

  6. #6
    are you putting isoflex grease on clutch surface before trying the slip??? some forget that step or use a different lubricant.

  7. #7
    mac_man_luke's Avatar
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    just used motor oil (seemed to be what was recommended on here in some old threads if no isoflex)
    Seeing as thats all will be in there once its running.

  8. #8
    mac_man_luke's Avatar
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    Ended up with )(()) where ) is a seadoo washer, rest mcmaster plus 1 shim to just over 180in/lb. Will recheck once broken in.
    very fine line between locked up and right at those slip levels.

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